Ask HN: How do you validate business ideas before investing work

[m4nu]

When it comes to validating an idea for a project, how do you do the due diligence before deciding that you should invest more work into that idea?

[feralmoan]

Having a single customer who will pay you for your solution is usually a good first step.

[sharemywin]

adwords is probably the easy to get some kind of basic idea of demand. obviously doesn't work for something no one has heard of.